You know the feeling — you’ve only got a little time left on the parking meter but you’re stuck somewhere, forcing you to face either a parking ticket, or even worse, having your car towed. One woman who was unable to feed the meter after spending hours in the ER with her infant son reached out to her fellow mothers, and was rewarded with an outpouring of generosity from total strangers.

A Toronto woman had to rush her six-week-old son to the hospital recently, and...